Puzzle



FIG. 1 is a left perspective view of a puzzle showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines are included for the purpose of illustrating the portions of the puzzle that form no part of the claimed design. 

CLAIM The ornamental design for a puzzle, as shown and described. 